<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <!-- 题目：获取<p class='demo'>hello JavaScript</p>内部文案 -->
  <p class=“demo”>hello JavaScript</p>
  <script>
    const { log: l } = console;

    const me = document.getElementsByClassName('demo')
    // 打印innerText属性值
    l(me.innerText);
  </script>
</body>

</html>